Long string coming from zoa mouth

[eqbal9947]

Hey guys. I have 2 zoas that have long brown strong coming from their mouth. One is about 3 inches and other is like an inch long.
All my other zoas look good.

 

[AtlantiCat]

Just Zoa poop, it will disappear within a day or so.

 

[littlebigreef]

If it's smooth its poop. If it looks like ramen its the guts/filaments.